Shellshock was the 2004/5 conservation campaign of EAZA. Many EAZA members registered as participants and organised various activities. To inform the participants on the campaign progress, several updates were published in EAZA News and in the Shellshocking Newsletter.
At the end of the campaign, a total number of 134 institutions had officially registered for participation. This number includes 119 EAZA member institutions. An overview of registered participants can be downloaded here.